Abstract
Publisher Summary This chapter describes the characteristics of salivary alpha-amylase of the mouse. This enzyme is involved in the hydrolysis of complex carbohydrates. It is derived from the major salivary glands and is present in saliva in high concentrations. Murine salivary amylase is predominantly localized in the parotid glands (Par), whereas a minor fraction is present in the submandibular (SM) and sublingual (SL) glands. This chapter presents a study in which this enzyme was isolated and compared with Par-amylase by biochemical, immunochemical, and immune histochemical techniques. In addition, different types of SM secretory granules were isolated and identified by their protein composition. The native SM-amylase appeared to be immunochemically nonidentical to Par-amylase, and the localization of SM-amylase was apparently dependent on the method applied. In a few studies, various types of secretory granules were isolated and studied by electron microscopy and by biochemical and immunochemical methods.
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